Wristwatch



FIG. 1 is a perspective view of a wristwatch showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side elevational view of one side thereof;

FIG. 5 is a side elevational view of an opposite side thereof;

FIG. 6 is an end elevational view of one end thereof; and,

FIG. 7 is an end elevational view of an opposite end thereof. 

The ornamental design for a wristwatch, as shown and described. 